Finding the Fourth Proportional to 61,397.82, 84,638.79 and 43,437.42

Step by Step Solution

1. Step 1: Write the proportion equation
   61,397.82 : 84,638.79 = 43,437.42 : x
2. Step 2: Convert to fraction form
   61,397.82/84,638.79 = 43,437.42/x
3. Step 3: Cross multiply
   61,397.82x = 84,638.79 × 43,437.42
4. Step 4: Simplify right side
   61,397.82x = 3,676,490,669.52
5. Step 5: Solve for x
   x = 3,676,490,669.52/61,397.82
6. Step 6: Final answer
   x = 59,879.82